beta ray
Radioactive electron stream
Beta rays are streams of high-speed electrons or positrons emitted during radioactive decay.
Discovered in the early study of radioactivity alongside alpha and gamma rays, beta rays have moderate penetrating power—stopped by aluminum foil but able to pass through paper.
The term persists in physics though beta particle is now more common.
Negative subatomic particle
- positronElectron's antimatter counterpart
- decayGradual organic breakdown
- neutrinoUncharged, near-massless particle
- antineutrinoAntimatter counterpart of neutrino
ionization · penetration · scattering · absorption · nucleus · atomic · subatomic · lepton
Elemental variant by mass
- half-lifePeriod for fifty-percent reduction
- fissionNuclear breakup releasing energy
- radionuclideDecay-prone atomic nucleus
- uraniumElement ninety-two
strontium-90 · carbon-14 · tritium · cesium-137 · cobalt-60 · transmutation · radioactivity · nuclear physics
First Greek letter
- gammaGreek alphabet's third
- ionizingProducing charged particles
- radioactiveEmitting nuclear decay particles
- exposureState of being unprotected
dose · shielding · Geiger counter · dosimeter · roentgen · millirem · contamination · irradiation
Medical radiation for cancer
- cancer treatmentMedical intervention for malignancy
- oncologyCancer medicine specialty
- tumorAbnormal tissue mass
- brachytherapyLocalized implanted radiation oncology
targeted therapy · therapeutic · palliative · radiation dose · skin treatment · radiolabeled · tracer
electron
Negative subatomic particle
- positronElectron's antimatter counterpart
- decayGradual organic breakdown
- neutrinoUncharged, near-massless particle
antineutrino · ionization · penetration · scattering · absorption · nucleus · atomic · subatomic · lepton · charge
isotope
Elemental variant by mass
- half-lifePeriod for fifty-percent reduction
- fissionNuclear breakup releasing energy
- radionuclideDecay-prone atomic nucleus
uranium · strontium-90 · carbon-14 · tritium · cesium-137 · cobalt-60 · transmutation · radioactivity · nuclear physics · neutron
alpha
First Greek letter
- gammaGreek alphabet's third
- ionizingProducing charged particles
- radioactiveEmitting nuclear decay particles
exposure · dose · shielding · Geiger counter · dosimeter · roentgen · millirem · contamination · irradiation · penetrating
radiotherapy
Medical radiation for cancer
- cancer treatmentMedical intervention for malignancy
- oncologyCancer medicine specialty
- tumorAbnormal tissue mass
brachytherapy · targeted therapy · therapeutic · palliative · radiation dose · skin treatment · radiolabeled · tracer
beta rayalpha ray
Emitted helium nuclei stream
gamma ray · alpha particle · gamma radiation · alpha radiation · cosmic rays